Home / 90,681.88-136,033.17-24,124.72

Finding the Fourth Proportional to 90,681.88, 136,033.17 and 24,124.72

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Solution

The fourth proportional to 90,681.88, 136,033.17 and 24,124.72 is: 36,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,681.88 : 136,033.17 = 24,124.72 : x
  2. Step 2: Convert to fraction form
    90,681.88/136,033.17 = 24,124.72/x
  3. Step 3: Cross multiply
    90,681.88x = 136,033.17 × 24,124.72
  4. Step 4: Simplify right side
    90,681.88x = 3,281,762,136.96
  5. Step 5: Solve for x
    x = 3,281,762,136.96/90,681.88
  6. Step 6: Final answer
    x = 36,189.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.